Consolidated Condensed Balance Sheets (Unaudited) (Parentheticals) (USD $)	Mar. 31, 2013	Dec. 31, 2012
Preferred stock, par value (in Dollars per share)	$ 0.01	$ 0.01
Preferred stock, shares authorized	2,000,000	2,000,000
Preferred stock, shares issued	0	0
Preferred stock, shares outstanding	0	0
Common stock, par value (in Dollars per share)	$ 0.01	$ 0.01
Common stock, shares authorized	48,000,000	48,000,000
Common stock, shares issued	22,121,505	22,109,619
Common stock, shares outstanding	22,121,505	22,109,619